Learning hub

Learn Markdown & AI file uploads

Short, plain-English guides for people who just want to get stuff done. Learn Markdown syntax in a few minutes, figure out how to upload a file to ChatGPT or Claude without a mess, look up a tricky term, or pick the right file format for your project.

New here? Start with these three.

If you have never touched Markdown and you mostly want ChatGPT or Claude to read your files properly, follow this short path. Fifteen minutes, three pages, and you are up to speed.

  1. 1.What is Markdown?— the seven-minute primer.
  2. 2.How do I use AI with my documents?— what happens when you upload a file.
  3. 3.Which tool should I use?— a three-question decision tree.
Markdown Basics

Syntax reference and starter guides

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AI File Uploads

Upload files to ChatGPT, Claude, Gemini

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Glossary

Markdown and AI terms explained

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File Formats

PDF, DOCX, XLSX, EPUB and more

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Choosing a Format

Pick the right format for your AI workflow

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For Beginners

Never used AI with a document before? Start here. Five short lessons in plain English — what AI does, how to do your first upload, what goes wrong, and privacy basics.

Start the beginner path
By Industry

Practical, field-specific AI guides for lawyers, accountants, coaches, healthcare admin, teachers, and small business owners. Workflows that actually work, not hype.

Pick your field

Prefer to learn by doing?

Our free tools let you try things out right now — write Markdown live, generate tables, count tokens, or lint a README.

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